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List:       pypy-dev
Subject:    Re: [pypy-dev] Parsing in PyPy (and runicode)
From:       Frank Wierzbicki <fwierzbicki () gmail ! com>
Date:       2009-03-02 20:00:19
Message-ID: 4dab5f760903021200j11c31023r3a768ec98d3c0994 () mail ! gmail ! com
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On Mon, Mar 2, 2009 at 11:55 AM, Jim Idle <jimi@temporal-wave.com> wrote:
>> Well knowing that the Java one is quick is a good indication that the
>> rpython one can be quick also.
>
> Yes - I think so. Perhaps one way is to ignore the current runtime, which
> has been written more for functionality than performance as far as I can
> see, and write an RPython runtime that is strictly aimed at performance and
> RPython semantics etc. It is not a huge project to do this, but it is some
> work of course.
Indeed the Java parser has not been optimized for performance (yet) --
it was written with compatibility as the #1 concern.  In particular
I'm sure I've lost a bit of performance in order to support _ast.py
and ast.py.

-Frank
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